<?php

/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Service
 * @subpackage Amazon
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: OfferSet.php 16211 2009-06-21 19:23:55Z thomas $
 */


/**
 * @category   Zend
 * @package    Zend_Service
 * @subpackage Amazon
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Service_Amazon_OfferSet
{
	/**
	 * @var string
	 */
	public $LowestNewPrice;

	/**
	 * @var string
	 */
	public $LowestNewPriceCurrency;

	/**
	 * @var string
	 */
	public $LowestUsedPrice;

	/**
	 * @var string
	 */
	public $LowestUsedPriceCurrency;

	/**
	 * @var int
	 */
	public $TotalNew;

	/**
	 * @var int
	 */
	public $TotalUsed;

	/**
	 * @var int
	 */
	public $TotalCollectible;

	/**
	 * @var int
	 */
	public $TotalRefurbished;

	/**
	 * @var Zend_Service_Amazon_Offer[]
	 */
	public $Offers;

	/**
	 * Parse the given Offer Set Element
	 *
	 * @param  DOMElement $dom
	 * @return void
	 */
	public function __construct(DOMElement $dom)
	{
		$xpath = new DOMXPath($dom->ownerDocument);
		$xpath->registerNamespace('az', 'http://webservices.amazon.com/AWSECommerceService/2005-10-05');

		$offer = $xpath->query('./az:OfferSummary', $dom);
		if ($offer->length == 1) {
			$lowestNewPrice = $xpath->query('./az:OfferSummary/az:LowestNewPrice', $dom);
			if ($lowestNewPrice->length == 1) {
				$this->LowestNewPrice = (int) $xpath->query('./az:OfferSummary/az:LowestNewPrice/az:Amount/text()', $dom)->item(0)->data;
				$this->LowestNewPriceCurrency = (string) $xpath->query('./az:OfferSummary/az:LowestNewPrice/az:CurrencyCode/text()', $dom)->item(0)->data;
			}
			$lowestUsedPrice = $xpath->query('./az:OfferSummary/az:LowestUsedPrice', $dom);
			if ($lowestUsedPrice->length == 1) {
				$this->LowestUsedPrice = (int) $xpath->query('./az:OfferSummary/az:LowestUsedPrice/az:Amount/text()', $dom)->item(0)->data;
				$this->LowestUsedPriceCurrency = (string) $xpath->query('./az:OfferSummary/az:LowestUsedPrice/az:CurrencyCode/text()', $dom)->item(0)->data;
			}
			$this->TotalNew = (int) $xpath->query('./az:OfferSummary/az:TotalNew/text()', $dom)->item(0)->data;
			$this->TotalUsed = (int) $xpath->query('./az:OfferSummary/az:TotalUsed/text()', $dom)->item(0)->data;
			$this->TotalCollectible = (int) $xpath->query('./az:OfferSummary/az:TotalCollectible/text()', $dom)->item(0)->data;
			$this->TotalRefurbished = (int) $xpath->query('./az:OfferSummary/az:TotalRefurbished/text()', $dom)->item(0)->data;
		}
		$offers = $xpath->query('./az:Offers/az:Offer', $dom);
		if ($offers->length >= 1) {
			/**
			 * @see Zend_Service_Amazon_Offer
			 */
			require_once 'Zend/Service/Amazon/Offer.php';
			foreach ($offers as $offer) {
				$this->Offers[] = new Zend_Service_Amazon_Offer($offer);
			}
		}
	}
}
